1.
either of the two lower chambers of the heart that receive blood from the upper chambers and pump it into the arteries by contraction of their thick muscular walls
2.
a cavity in the brain that is an enlargement of the central canal of the spinal cord and contains cerebrospinal fluid
3.
a small cavity or chamber in the body or in an organ
4.
one of the two lower parts of your heart that moves blood to the rest of your body
1.
either of the two lower chambers of the heart that receive blood from the upper chambers and pump it into the arteries by contraction of their thick muscular walls
2.
a cavity in the brain that is an enlargement of the central canal of the spinal cord and contains cerebrospinal fluid
3.
a small cavity or chamber in the body or in an organ
4.
one of the two lower parts of your heart that moves blood to the rest of your body